CN212342386U - Voltage absorbing resistor easy to assemble - Google Patents
Voltage absorbing resistor easy to assemble Download PDFInfo
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- CN212342386U CN212342386U CN202021324607.2U CN202021324607U CN212342386U CN 212342386 U CN212342386 U CN 212342386U CN 202021324607 U CN202021324607 U CN 202021324607U CN 212342386 U CN212342386 U CN 212342386U
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- resistor
- insulating sleeve
- electrode
- resistance
- easily assembled
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Abstract
The utility model discloses a voltage absorption resistance of easy assembly relates to the resistor field. The resistor comprises a plurality of resistor cores and radiating fins arranged between any two resistor cores; the electrode, the resistor core and the radiating fin are provided with holes at the centers, an insulating sleeve is arranged to penetrate through the holes, the two ends of the insulating sleeve are flush with the outer surface of the electrode, at least one group of grooves are formed in the insulating sleeve, the radiating fin is provided with lugs matched with the grooves in number and shape in the holes, fixing bolts are arranged in the insulating sleeve and penetrate through the insulating sleeve, the two ends of the fixing bolts extend outwards to the outside of the electrode, and nuts are arranged to fix the voltage absorption resistor. Through the improvement of resistance structure, when solving traditional design scheme and using a plurality of resistance cores of fixing bolt fixing, need to rectify resistance core and electrode slice and just can guarantee the problem of assembling well to assembly efficiency has been guaranteed.
Description
Technical Field
The utility model relates to a resistor field especially relates to an easily assembled voltage absorption resistance.
Background
In the running process of a motor train unit, in order to prevent the direct-current voltage from rising beyond an allowable range and ensure the smooth switching of electro-pneumatic braking, corresponding overvoltage is reduced or the electro-pneumatic braking is completely reduced to cut off within a certain time by opening the overvoltage absorption resistor branch. When the traction or braking working condition is carried out, the chopping module is triggered and conducted, so that the instantaneous overvoltage caused by idling or pantograph jumping and the like can be inhibited, and the stable operation of regenerative braking is ensured.
The resistance core and the electrode are commonly used to be laminated to form the integral resistor, but the multiple blocks are integrated to avoid the situation of difficult assembly in the installation process, the direction of each electrode is consistent, repeated correction is needed to ensure the assembly time, the existing improvement is needed, the problem of difficult assembly is solved, and the voltage absorption resistor easy to assemble is provided. The production efficiency is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a voltage absorption resistance of easy assembly, through resistance structure's improvement, when solving traditional design scheme and using a plurality of resistance cores of fixing bolt fixation, need rectify resistance core and electrode slice and just can guarantee the problem of well assembling to assembly efficiency has been guaranteed.
In order to achieve the technical effects, the application discloses an easily-assembled voltage absorption resistor, which comprises a resistor and electrodes arranged at two ends of the resistor, wherein the resistor comprises a plurality of resistor cores and radiating fins arranged between any two resistor cores; the electrode, the resistor core and the radiating fin are provided with holes at the centers, an insulating sleeve is arranged to penetrate through the holes, the two ends of the insulating sleeve are flush with the outer surface of the electrode, at least one group of grooves are formed in the insulating sleeve, the radiating fin is provided with lugs matched with the grooves in number and shape in the holes, fixing bolts are arranged in the insulating sleeve and penetrate through the insulating sleeve, the two ends of the fixing bolts extend outwards to the outside of the electrode, and nuts are arranged to fix the voltage absorption resistor.
Further, the electrode and the insulating sleeve are in interference fit, and the resistance core and the insulating sleeve are in interference fit.
Further, a connecting plate is arranged on the outer side of the electrode.
Furthermore, wherein the connecting plate upper end is equipped with the wiring end, and the lower extreme is equipped with the stiff end, wiring end and stiff end bend to the voltage absorption resistance outside.
Further, the insulating sleeve and the fixing bolt are made of non-conductive plastic materials.
Further wherein the resistive core uses a silicon carbide composite resistor.
Further, the electrodes and the radiating fins are made of metal plates.
The beneficial effects of the utility model reside in that:
through the improvement to resistance structure, especially add in inside and establish insulating cover, set up the lug on setting up slot and heating panel through insulating cover, realize recess and lug cooperation and realize guaranteeing the effect that the fin is not pivoted at will, guarantee with this when the shape of fin is not circular, the effect of a plurality of fin positions unanimity relatively, when this realization is solved traditional design and is used a plurality of fixed bolt fixed resistance cores, need rectify to guarantee to assemble good problem to resistance core and electrode slice, thereby assembly efficiency has been guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a structural view of the insulating sheath of the present invention.
Fig. 3 is a matching diagram of the insulating sheath and the resistor core of the present invention.
Fig. 4 is an assembly diagram of the insulating sleeve and the heat dissipating plate according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
the voltage absorption resistor easy to assemble shown in fig. 1 comprises a resistor 1 and electrodes 2 arranged at two ends of the resistor, wherein the resistor comprises a plurality of resistor cores 31 and radiating fins 32 arranged between any two resistor cores; the electrode, the resistor core and the radiating fin are provided with holes at the centers, an insulating sleeve 4 penetrates through the holes, two ends of the insulating sleeve are flush with the outer surface of the electrode, at least one group of grooves 41 are formed in the insulating sleeve, the radiating fin is provided with lugs 33 matched with the grooves in number and shape in the holes, a fixing bolt 5 is arranged in the insulating sleeve, the fixing bolt penetrates through the insulating sleeve, two ends of the fixing bolt extend outwards to the outside of the electrode, and a nut 6 is arranged to fix the voltage absorption resistor.
Example two:
an easily assembled voltage absorption resistor as shown in fig. 1-4 comprises a resistor 1 and electrodes 2 arranged at two ends of the resistor, wherein the resistor comprises a plurality of resistor cores 31 and radiating fins 32 arranged between any two resistor cores; the electrode, the resistor core and the radiating fin are provided with holes at the centers, an insulating sleeve 4 penetrates through the holes, two ends of the insulating sleeve are flush with the outer surface of the electrode, at least one group of grooves 41 are formed in the insulating sleeve, the radiating fin is provided with lugs 33 matched with the grooves in number and shape in the holes, a fixing bolt 5 is arranged in the insulating sleeve, the fixing bolt penetrates through the insulating sleeve, two ends of the fixing bolt extend outwards to the outside of the electrode, and a nut 6 is arranged to fix the voltage absorption resistor.
And the electrode is in interference fit with the insulating sleeve, and the resistance core is in interference fit with the insulating sleeve. And a connecting plate 7 is also arranged on the outer side of the electrode. The upper end of the connecting plate is provided with a wiring end 71, the lower end of the connecting plate is provided with a fixed end 72, and the wiring end and the fixed end are bent towards the outer side of the voltage absorption resistor. The insulating sleeve and the fixing bolt are made of non-conductive plastic materials. The resistance core uses silicon carbide composite material resistance. The electrodes and the radiating fins are made of metal plates.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides an easy voltage absorption resistance of assembling, includes resistance (1) and sets up in electrode (2) at its both ends, its characterized in that:
the resistor comprises a plurality of resistor cores (31) and radiating fins (32) arranged between any two resistor cores; the electrode, the resistor core and the radiating fin are provided with holes at the centers, an insulating sleeve (4) is arranged to penetrate through the holes, the two ends of the insulating sleeve are flush with the outer surface of the electrode, at least one group of grooves (41) are arranged inside the insulating sleeve, the radiating fin is provided with lugs (33) matched with the grooves in number and shape, a fixing bolt (5) is arranged in the insulating sleeve, the fixing bolt penetrates through the insulating sleeve and the two ends of the insulating sleeve to extend outwards to the outside of the electrode, and a nut (6) is arranged to fix the voltage absorption resistor.
2. An easily assembled voltage absorbing resistor according to claim 1, wherein: and the electrode is in interference fit with the insulating sleeve, and the resistance core is in interference fit with the insulating sleeve.
3. An easily assembled voltage absorbing resistor according to claim 1, wherein: and a connecting plate (7) is also arranged on the outer side of the electrode.
4. An easily assembled voltage absorbing resistor according to claim 3, wherein: and the upper end of the connecting plate is provided with a wiring end (71), the lower end of the connecting plate is provided with a fixed end (72), and the wiring end and the fixed end are bent towards the outer side of the voltage absorption resistor.
5. An easily assembled voltage absorbing resistor according to claim 1, wherein: the insulating sleeve and the fixing bolt are made of non-conductive plastic materials.
6. An easily assembled voltage absorbing resistor according to claim 1, wherein: the resistance core uses silicon carbide composite material resistance.
7. An easily assembled voltage absorbing resistor according to claim 1, wherein: the electrodes and the radiating fins are made of metal plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021324607.2U CN212342386U (en) | 2020-07-08 | 2020-07-08 | Voltage absorbing resistor easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021324607.2U CN212342386U (en) | 2020-07-08 | 2020-07-08 | Voltage absorbing resistor easy to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212342386U true CN212342386U (en) | 2021-01-12 |
Family
ID=74081322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021324607.2U Active CN212342386U (en) | 2020-07-08 | 2020-07-08 | Voltage absorbing resistor easy to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212342386U (en) |
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2020
- 2020-07-08 CN CN202021324607.2U patent/CN212342386U/en active Active
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